W. Va. Code § 33-15-23: Copayments for certain services.

(a) A policy, provision, contract, plan, or agreement subject to this article may not impose a copayment, coinsurance, or office visit deductible amount charged to the insured for services rendered for each date of service by a licensed occupational therapist, licensed occupational therapist assistant, licensed speech-language pathologist, licensed speech-language pathologist assistant, licensed physical therapist, or a licensed physical therapist assistant that is greater than the copayment, coinsurance, or office visit deductible amount charged to the insured for the services of a primary care physician or an osteopathic physician.

(b) The policy, provision, contract, plan, or agreement shall clearly state the availability of occupational therapy, speech-language therapy, and physical therapy coverage and all related limitations, conditions, and exclusions.